Manhattan

It was six o'clock by the time they got back to the precinct and Brian suddenly remembered he hadn't told the others about the reports that the certificates were counterfeit.

"Counterfeit! Why would they be killing people over bogus bonds?"

"Perhaps the counterfeiter is trying to protect himself."

Brian kept the possibility that maybe the certificates weren't fake to himself.

"I'll get you a copy of the articles."

Mike snapped his fingers.

"That girl, Michiko! She must know something. We've got to talk to her. And I can't even get her on the phone. Can you guys do something?"